try to make pylint happy

dav_base/tests/test_config.py

@@ -48,8 +48,8 @@ class DefaultSettingTestCase(SimpleTestCase):
 
         re_validator = r'[a-z]'
 
-        valid_values = u'aocd'
-        invalid_values = u'Aö1.'
+        valid_values = 'aocd'
+        invalid_values = 'Aö1.'
 
         setting = DefaultSetting(name, None, validator=re_validator)
         for val in valid_values:
@@ -89,7 +89,7 @@ class AppSettingsTestCase(SimpleTestCase):
             DefaultSetting('no_test_setting', ImproperlyConfigured),
         )
         with self.assertRaisesRegex(ImproperlyConfigured, 'NO_TEST_SETTING must be defined in main.settings-dav_base'):
-            app_settings = AppSettings(self.app_name, default_settings)
+            _ = AppSettings(self.app_name, default_settings)
 
     def test_improperlyconfigured_by_instance(self):
         """Test if mandatory but unset setting raise correct exception"""
@@ -97,17 +97,17 @@ class AppSettingsTestCase(SimpleTestCase):
             DefaultSetting('no_test_setting', ImproperlyConfigured('Some Error Message')),
         )
         with self.assertRaisesRegex(ImproperlyConfigured, 'Some Error Message'):
-            app_settings = AppSettings(self.app_name, default_settings)
+            _ = AppSettings(self.app_name, default_settings)
 
     def test_improperlyconfigured_by_func(self):
         """Test if invalid setting raise correct exception"""
-        def validator(value):
+        def validator(value):  # pylint: disable=unused-argument
             return False
         default_settings = (
             DefaultSetting('test_setting', 1, validator=validator),
         )
         with self.assertRaises(ImproperlyConfigured):
-            app_settings = AppSettings(self.app_name, default_settings)
+            _ = AppSettings(self.app_name, default_settings)
 
     def test_improperlyconfigured_by_regex(self):
         """Test if invalid setting raise correct exception"""
@@ -115,7 +115,7 @@ class AppSettingsTestCase(SimpleTestCase):
             DefaultSetting('test_setting', 1, validator=r'^[01]$'),
         )
         with self.assertRaises(ImproperlyConfigured):
-            app_settings = AppSettings(self.app_name, default_settings)
+            _ = AppSettings(self.app_name, default_settings)
 
     def test_settings_from_file(self):
         """Test if value from settings file eliminate exception"""
@@ -145,7 +145,7 @@ class AppSettingsTestCase(SimpleTestCase):
 class AppConfigTestCase(SimpleTestCase):
     def test_init(self):
         app_name = 'dav_base'
-        import dav_base as app_module
+        import dav_base as app_module  # pylint: disable=import-outside-toplevel
 
         test_default_settings = (
             DefaultSetting('test_setting', ImproperlyConfigured),
@@ -154,7 +154,7 @@ class AppConfigTestCase(SimpleTestCase):
 
         class TestAppConfig(AppConfig):
             name = 'not_dav_base'
-            verbose_name = u'DAV Base App'
+            verbose_name = 'DAV Base App'
             default_settings = test_default_settings
 
         app_config = TestAppConfig(app_name, app_module)